Edit History
Euphorbia knuthii Pax [family EUPHORBIACEAE]
Date Updated: 26 July 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 9, Part 5, (2001) Author: S. Carter & L.C. Leach
Names
Euphorbia knuthii Pax [family EUPHORBIACEAE], in Bot. Jahrb. Syst. 34: 83 (1904). —N.E. Brown in F.C. 5, 2: 363 (1915). —Pole Evans (ed.) in Fl. Pl. South Africa 9: pl. 348 (1929). —Burtt Davy, Fl. Pl. Ferns Transvaal: 296 (1932). —White, Dyer & Sloane, Succ. Euphorb. 2: 732 (1941). —Leach in J. S. African Bot. 39: 18 (1973). —Court, Succ. Fl. South. Africa: 28 (1981). Type: Mozambique, Ressano Garcia, fl. & fr. 27.xii.1897, Schlechter 11949 (K, lectotype; BM; BR; G; PRE; WAG).
Information
Spiny succulent dwarf tuberous-rooted perennial, 1–several-stemmed, often rhizomatous.Branches produced at ground level, simple or sometimes rebranched at the base, seldom above, erect to spreading, 2–4(5)-angled, to 20 cm long or more, 5–9 mm in diameter, distinctly longitudinally whitish-striped between the angles; angles with prominent tubercles 3–5 mm high and 1–3 cm apart along the margins, crowned by the spine shields.Spine shields obovate, decurrent to 1 cm; spines 2–9 mm long, needle-like; prickles minute or absent.Leaves 8–15 × 3.5 mm, lanceolate, caducous.Cymes shortly pedunculate, several times forked with cyme branches to 4 mm long, or cyathia solitary; bracts c. 1.25 × 1 mm, ovate, apiculate.Cyathia with cup-shaped involucres, 2.5 × 3.5–5 mm; glands transversely oblong, 1.5–2.25 mm wide, touching, greenish.Male flowers: bracteoles c. 2.5 mm long, fimbriate; stamens c. 4 mm long.Female flower: styles 1.75 mm long, united to halfway, with spreading thickened, shortly bifid apices.Capsule obtusely lobed, truncate, 4.5 × 6–7 mm, far exserted on a recurved pedicel c. 1 cm long.Seeds subglobose, c. 3 mm in diameter, smooth, brown.
Date Updated: 26 July 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 9, Part 5, (2001) Author: S. Carter & L.C. Leach
Names
Euphorbia knuthii Pax [family EUPHORBIACEAE], in Bot. Jahrb. Syst. 34: 83 (1904). —N.E. Brown in F.C. 5, 2: 363 (1915). —Pole Evans (ed.) in Fl. Pl. South Africa 9: pl. 348 (1929). —Burtt Davy, Fl. Pl. Ferns Transvaal: 296 (1932). —White, Dyer & Sloane, Succ. Euphorb. 2: 732 (1941). —Leach in J. S. African Bot. 39: 18 (1973). —Court, Succ. Fl. South. Africa: 28 (1981). Type: Mozambique, Ressano Garcia, fl. & fr. 27.xii.1897, Schlechter 11949 (K, lectotype; BM; BR; G; PRE; WAG).
Information
Spiny succulent dwarf tuberous-rooted perennial, 1–several-stemmed, often rhizomatous.Branches produced at ground level, simple or sometimes rebranched at the base, seldom above, erect to spreading, 2–4(5)-angled, to 20 cm long or more, 5–9 mm in diameter, distinctly longitudinally whitish-striped between the angles; angles with prominent tubercles 3–5 mm high and 1–3 cm apart along the margins, crowned by the spine shields.Spine shields obovate, decurrent to 1 cm; spines 2–9 mm long, needle-like; prickles minute or absent.Leaves 8–15 × 3.5 mm, lanceolate, caducous.Cymes shortly pedunculate, several times forked with cyme branches to 4 mm long, or cyathia solitary; bracts c. 1.25 × 1 mm, ovate, apiculate.Cyathia with cup-shaped involucres, 2.5 × 3.5–5 mm; glands transversely oblong, 1.5–2.25 mm wide, touching, greenish.Male flowers: bracteoles c. 2.5 mm long, fimbriate; stamens c. 4 mm long.Female flower: styles 1.75 mm long, united to halfway, with spreading thickened, shortly bifid apices.Capsule obtusely lobed, truncate, 4.5 × 6–7 mm, far exserted on a recurved pedicel c. 1 cm long.Seeds subglobose, c. 3 mm in diameter, smooth, brown.
Date Updated: 26 July 2007
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 9, Part 5, (2001) Author: S. Carter & L.C. Leach
Names
Euphorbia knuthii Pax [family EUPHORBIACEAE], in Bot. Jahrb. Syst. 34: 83 (1904). —N.E. Brown in F.C. 5, 2: 363 (1915). —Pole Evans (ed.) in Fl. Pl. South Africa 9: pl. 348 (1929). —Burtt Davy, Fl. Pl. Ferns Transvaal: 296 (1932). —White, Dyer & Sloane, Succ. Euphorb. 2: 732 (1941). —Leach in J. S. African Bot. 39: 18 (1973). —Court, Succ. Fl. South. Africa: 28 (1981). Type: Mozambique, Ressano Garcia, fl. & fr. 27.xii.1897, Schlechter 11949 (K, lectotype; BM; BR; G; PRE; WAG).
Information
Spiny succulent dwarf tuberous-rooted perennial, 1–several-stemmed, often rhizomatous.Branches produced at ground level, simple or sometimes rebranched at the base, seldom above, erect to spreading, 2–4(5)-angled, to 20 cm long or more, 5–9 mm in diameter, distinctly longitudinally whitish-striped between the angles; angles with prominent tubercles 3–5 mm high and 1–3 cm apart along the margins, crowned by the spine shields.Spine shields obovate, decurrent to 1 cm; spines 2–9 mm long, needle-like; prickles minute or absent.Leaves 8–15 × 3.5 mm, lanceolate, caducous.Cymes shortly pedunculate, several times forked with cyme branches to 4 mm long, or cyathia solitary; bracts c. 1.25 × 1 mm, ovate, apiculate.Cyathia with cup-shaped involucres, 2.5 × 3.5–5 mm; glands transversely oblong, 1.5–2.25 mm wide, touching, greenish.Male flowers: bracteoles c. 2.5 mm long, fimbriate; stamens c. 4 mm long.Female flower: styles 1.75 mm long, united to halfway, with spreading thickened, shortly bifid apices.Capsule obtusely lobed, truncate, 4.5 × 6–7 mm, far exserted on a recurved pedicel c. 1 cm long.Seeds subglobose, c. 3 mm in diameter, smooth, brown.
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